Security readout for executives and security teams
Plain-English summary
CVE-2020-25890 is a stored cross-site scripting issue in the web application of Kyocera ECOSYS M2640IDW printers. A malicious address book contact could later run script in an administrator’s browser, potentially hijacking the admin session or causing unwanted actions.
Executive priority
Treat as a moderate priority for environments using this printer model, especially if management interfaces are broadly reachable. The main business risk is compromise of printer administration through an administrator’s browser session.
Technical view
The reported flaw is stored XSS during creation of a new contact in the Machine Address Book. The CVE record provides no CVSS score, CWE, affected firmware range, or official fix details. The available impact statement is administrator session hijacking or unintended web-application actions.
Likely exposure
Exposure is most likely where Kyocera ECOSYS M2640IDW printer web administration is reachable and users can add or modify Machine Address Book contacts. Internet-exposed admin panels would raise risk, but the sources do not confirm affected firmware versions.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation appears to require storing malicious content in the address book and an administrator later viewing affected web application content.
Researcher notes
Evidence is limited to the CVE description and a public researcher reference. The CVE metadata lacks version ranges, CVSS, CWE, and remediation details, so validation should focus on asset identification, interface exposure, and vendor-confirmed firmware status.
Mitigation direction
- Restrict printer web administration to trusted management networks or VPN only.
- Remove internet exposure for printer administrative interfaces.
- Limit address book modification privileges to trusted administrators.
- Check Kyocera support channels for firmware updates or official mitigation guidance.
- Review and remove suspicious address book entries after preserving evidence.
Validation and detection
- Inventory Kyocera ECOSYS M2640IDW printers and record firmware versions.
- Confirm whether the web admin interface is reachable from untrusted networks.
- Review address book entries for unexpected script-like content.
- Check logs for unusual address book changes or administrator actions.
- Track vendor guidance because the provided sources do not name a patch.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2020-25890 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://vitor-santos.medium.com/xss-in-kyocera-printer-ecosys-m2640idw-cf6d3bc525e3CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.